For the year ended December 31, 2019, Settles Inc. earned an ROI of 7.2%. Sales for the year were $12 million, and average asset turnover was 1.8. Average stockholders' equity was $2.9 million. Required: a. Calculate Settles Inc.'s margin and net income. (Round "Margin" answer to 1 decimal place. Enter the net income answer in dollars, i.e., $5 million should be entered as 5,000,000.) b. Calculate Settles Inc.'s return on equity. (Round your answer to 1 decimal place.) a. Margin % Net income b. Return on equity %